216978456

素因数分解:

$2^3\times 3^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1\times {\mathrm{251}}^1$

素因数の和:640

約数の個数: 64

約数和(自身を含む): 550368000

約数和(自身を除く): 333389544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 181, 199, 251, 362, 398, 502, 543, 597, 724, 753, 796, 1004, 1086, 1194, 1448, 1506, 1592, 2008, 2172, 2388, 3012, 4344, 4776, 6024, 36019, 45431, 49949, 72038, 90862, 99898, 108057, 136293, 144076, 149847, 181724, 199796, 216114, 272586, 288152, 299694, 363448, 399592, 432228, 545172, 599388, 864456, 1090344, 1198776, 9040769, 18081538, 27122307, 36163076, 54244614, 72326152, 108489228, 216978456]

約数ペア:

[(1, 216978456), (2, 108489228), (3, 72326152), (4, 54244614), (6, 36163076), (8, 27122307), (12, 18081538), (24, 9040769), (181, 1198776), (199, 1090344), (251, 864456), (362, 599388), (398, 545172), (502, 432228), (543, 399592), (597, 363448), (724, 299694), (753, 288152), (796, 272586), (1004, 216114), (1086, 199796), (1194, 181724), (1448, 149847), (1506, 144076), (1592, 136293), (2008, 108057), (2172, 99898), (2388, 90862), (3012, 72038), (4344, 49949), (4776, 45431), (6024, 36019)]